Low-cal offerings haven't helped the chains' bottom lines in the past, and the announcements didn't boost share prices in an otherwise active trading day.

FORBES: One Happy Meal, Hold The Calories

Food director of British Retail Consortium, Andrew Opie said that there is "a variation in price between those in the top quarter of dairy production and those who aren't and farmers who are lucky are those in supermarket supply chains".

BBC: Milk price: Who's to blame?

Don't just benchmark European companies' supply chains--look at what Renault is doing in India, where its new factory has opened the door to many new low-cost suppliers.

FORBES: Magazine Article